Cordierite and Serandite Physical Properties

Cordierite

Serandite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.663.52

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

Fair on {100}, poor on {001} and {010}

{100} Perfect, {001} Perfect

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Cordierite and Serandite Chemical Formula

While comparing Cordierite and Serandite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Cordierite and Serandite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Cordierite Vs Plumbogummite

Cordierite Vs Riebeckite

Cordierite Vs Rosasite

Cordierite and Serandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Serandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Serandite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.52 whereas that of Serandite is 3.52.